- Carl Zeiss company, Oberkochen, Germany
- artist: Chris Nägele
| material: | |
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PLEXIGLAS® 0F00 |
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| solid lens: | |
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both surfaces convex 5-axis milled ground and polished |
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| size: | |
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diameter: Ø = 3000 mm thickness: t = 160 mm weight: wt = approx. 950 kg |
